Elsewhere on San Salvador Travel Guide
Doolittle's Grotto. This is a popular site featuring a sandy slope down to 140 feet. There are lots of tunnels and crevices for exploring, and usually a large school of horse-eye jacks to keep you company.
Double Caves. As the name implies, Double Caves has two parallel caves leading out to a wall at 115 feet. There's typically quite a lot of fish activity along the top of the wall.
North Pole Cave. North Pole Cave has a wall that drops sharply from 40 feet to more than 150 feet. Coral growth is extensive, and you might see a hammerhead or two.